Blocklisting Interim Review

Ardana PLC
02 May 2007



Ardana PLC
2 May 2007

                        Block Listing Six Monthly Return


1. Name of applicant:

Ardana plc


2. Name of scheme:

Ardana Bioscience Employees' share option scheme


3. Period of return:

From 03/11/06 to 02/05/2007


4. Balance under scheme from previous return:

678,434 ordinary shares of 1 pence


5. The amount by which the block scheme has been increased, if the scheme has
been increased since the date of the last return:

Nil


6. Number of securities issued/ allotted under scheme during period:

111,110


7. Balance under scheme not yet issued/allotted at end of period:

567,324


8. Number and class of securities originally listed and the date of admission:

55,562,806 ordinary shares admitted to listing on 9 March 2005


9. Total number of securities in issue at the end of the period:

65,511,729

Contact for queries


Name: Graham Lee, Ardana plc, 38 Melville Street, Edinburgh EH3 7HA
Telephone: [phone]


Ardana PLC

2 May 2007



                        Block Listing Six Monthly Return


1. Name of applicant:

Ardana plc


2. Name of scheme:

Ardana Ltd Employees' share option scheme


3. Period of return:

From 03/11/06 to 02/05/2007


4. Balance under scheme from previous return:

1,409,514 ordinary shares of 1 pence


5. The amount by which the block scheme has been increased, if the scheme has
been increased since the date of the last return:

Nil


6. Number of securities issued/allotted under scheme during period:

131,680


7. Balance under scheme not yet issued/allotted at end of period:

1,277,834


8. Number and class of securities originally listed and the date of admission:

55,562,806 ordinary shares admitted to listing on 9 March 2005


9. Total number of securities in issue at the end of the period:

65,511,729

Contact for queries


Name: Graham Lee, Ardana plc, 38 Melville Street, Edinburgh EH3 7HA
Telephone: [phone]


Ardana PLC
2 May 2007




                        Block Listing Six Monthly Return


1. Name of applicant:

Ardana plc


2. Name of scheme:

Certain individual option agreements between Ardana plc and non-executive
directors and non-employees


3. Period of return:

From 03/11/06 to 02/05/2007


4. Balance under scheme from previous return:

286,266 ordinary shares of 1 pence


5. The amount by which the block scheme has been increased, if the scheme has
been increased since the date of the last return:

Nil


6. Number of securities issued/allotted at end of period:

Nil


7. Balance under scheme not yet issued/allotted at end of period:

286,266


8. Number and class of securities originally listed and the date of admission:

55,562,806 ordinary shares admitted to listing on 9 March 2006


9. Total number of securities in issue at the end of the period:

65,511,729

Contact for queries


Name: Graham Lee, Ardana plc, 38 Melville Street, Edinburgh EH3 7HA
Telephone: [phone]





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